Lumbar puncture in the frail infant.
D001237:Asphyxia / Q000209:etiology*; D002675:Child, Preschool; D003490:Cyanosis / Q000209:etiology*; D005260:Female; D006323:Heart Arrest / Q000209:etiology*; D006801:Humans; D007223:Infant; D013129:Spinal Puncture / Q000009:adverse effects*